Coal-washer



(No Model.)

S. STUTZ. GOAL WASHER.

Pateted ATTORNEYA NITED STATES PATENT OFFICE.

SEBASTIAN STUTZ, OF BITTSBURG, PENNSYLVANIA.

COAL-WASHER.

SPECIFICATION forming part of Letters Patent No. 478,479, dated July 5,1892. Application iiled March 3, 189,2. SerialkNo. 423,581. (No model.)

To all whom it may concern.-

Be it known that I, SEBASTIAN STUTZ, a citizen of the United States,residing at Pittsburg, in the county of Allegheny and State ofPennsylvana,have invented certain new and useful Improvements inCoal-Washers; and I do hereby declare the following to be a full, clear,and exact description of the invention, such as will enable othersskilled in the art to which it appertains to make and use the same.

This invention relates to coal and ore jiggers or washers.

The object of the present invention is to produce an ore or coaljiggeror washer whereby by a simple construction both coarse and fineimpurities may be collected in an auxiliary receiver below the washerfrom which they may be discharged at will.

The object of the invention is, furthermore, is to produce a coal andore jigger or washer in which the mechanism for forcing the waterthrough the coal or ore shall be given a differential back-and-forthmovement, the movement by which the water is forced through the coal orore being more rapid than the return movement. n

Vith these objects in view the invention consists in a coal or orewasher or jigger cornprising a separating chamber, a sieve or screenarranged in the chamber, a piston arranged to reciprocate verticallybeneath the sieve or screen, and an auxiliary receiver arranged belowthe washer and communicating with the separating-chamber.

The invention consists, furthermore, in a coal or ore washer comprisinga separatingchamber, a sieve or screen fitted in the chamber, aslate-chamber adjacent to the separating-chamber, and an auxiliaryreceiver arranged below the washerand communicating with both theseparating and slate chamber.

The invention consists, furthermore, in a coal or ore washer comprisinga separatingchamber, a sieve or screen arranged in the chamber, a pistonor plunger Working below said sieve or screen, a spring device arrangedbeneath theA plunger, whereby a quick upward movement of the plunger isgiven.

The invention resides, furthermore, in various novel details ofconstruction, whereby the objects of the invention are attained.

The invention is illustrated in the accompanying drawings, in which-Figure l is a longitudinal vertical section of a coal or orewashing-machine constructed in accordance with my invention, taken onthe line x c of Fig. 2; and Fig. 2 represents a front view of a doublewasher, one portion being in section, taken on the line y y of Fig. l.

In the drawings, A represents brackets, preferably of cast-iron, uponwhich is supported a rectangular box B. Arranged within the box Bis ascreen or sieve S, a piston or plunger P, and the mechanism whereby theplunger is caused to reciprocate vertically.

H `represents a slate-chamber, which communicates at its upper end withthe washingchamber B through an opening o, governed by a suitable valveL'.

F represents a trough communicating with the chamber B, designed toreceive the Washed coal as it passes from the chamber B. f

Arranged beneath the chamber B is an auxiliary receiver M, communicatingwith the washing-chamber by means of openings c e, governed by suitablegates g g. The receiver M also communicates with the slatechamber Hthrough an opening e for the passage of the coarse impurities. Byarranging an auxiliary receiver M below the bottom of the washer theunnecessary waste of Water is prevented and the machine made to operatecontinuously, since the level of the water cannot sink below thedelivery-bridge m, arranged between the chamber B and the trough F.

The auxiliary receiver M is provided with an outlet-gate D, and thisgate is operated by bell-crank levers Z Z, being connected by a linkwith the gate D and. by suitable rods with the valves lg g. The link d,by which the lever is connected with the gate D, is provided with aslot, so that the valves g g will be operated by a movement of the leverZ, slightly in advance of the operation of the gate D, and a singlemovement of 'the levers will permit the discharge from the machine ofboth large and small impurities. y

The rod of thel piston P is provided with a spring u, arranged beneaththe piston, and motion is imparted to the piston by cams c, arrangedupon a suitable shaft t, having a IOO pulley p, the cams working inyokes y y, attached to the piston by rods a. By this arrangement a quickupward and a slow downward movement of the piston is produced and betterresults obtained since ample time can be allowed for each fresh supplyof water to come in and fill the space between the piston and the screenbetween the upward strokes. This arrangement also allows more time forthe material upon the screens to settle and arrange into layers,according to speci fic gravity.

Coal to be washed is supplied to the screen S through the hopper orfeed-channel 7c. The pulsations of the water caused by the movement ofthe piston agitate and spread the material out over the entire surfaceof the screen, and at the same time gives the heavier parts time to takethe lower positions on the screen, while the lighter substances remainon top. As the space above the screen becomes filled, the lightermaterial-the coal-is discharged over the bridge m upon a screen b of thetrough F, leading tothe elevator or receptacle, while the heaviermaterial-slate, sulphur, and the likepass through the opening into theslate-chamber H, and thence into the receiver M. During the working ofthe inachine the gates g are left open to allow the sediment-the tinesulphur and slate-passing through the meshes of the sieve to enter thereceiver M, the front gate D of which is kept` closed. Before lettingthe impurities to the outside from the receiver M the gate t is closedto prevent water above the screen from escaping. Water is conducted intothe washer by the pipe WV, entering the separating-chamber below thescreen through ports or small holes n.

I do not Wish to be understood as claiming herein a coal or ore washeror jigger comprising a separating-chamber, a sieve or screen arranged insaid chamber, a slate-chamber adjacent to the separating-chamber, apiston or plunger chamber, a piston or plunger reciprocating verticallyin said chamber, and an auxiliary receiver arranged below the washer andcommunicating with both the slate-chamber and the separating-chamber, asthis forms the subject-matter of my pending application SerialNo.426,911, filed March 29, 1892.

- Having thus fully described my invention, what Iclaim as new, anddesire to secure by Letters Patent, is-

l. A coal or ore washer comprising a separating-chamber, a sieve orscreen arranged in the chamber, a slate-chamber adjacent to theseparating-chamber, andan auxiliary receiver arranged below the washerand communicating with both the separating-chamber and theslate-chamber, substantially as described.

2. A coal-washer comprising a separatingchamber, a sieve or screenfitted in the chamber, a piston Working underneath the sieve or screen,a slate-chamber adjacent to the separatingchamber, and an auxiliaryreceiver secured below the bottom of the washer chamber andcommunicating with both the separatin g-ehamber and slate-chamber,substantially as described.

3. A coal or ore washer comprising a separating-chamber, a slate-chamberadjacent to the separating-chamber, and an auxiliary receiver arrangedbelow the separating-chamber and communicating with both theseparating-chamber and the slate-chamber, substantially as described.

4. A coal or ore washer comprising a separating-chamber, a sieve orscreen itted in the chamber, a piston or plunger arranged beneath thesieve or screen, designed to reciprocate vertically, cams connected withthe piston or plunger,a spring arranged beneath the piston or plunger toimpart a differential movement thereto, a slate-chamber adjacent to theseparating-chamber, and an auxiliary receiver arranged below theseparating-chamber and communicating with both the separating-chamberand the slate-chambensubstantially as described.

5. A coal or ore washer comprising a separating chamber, an auxiliaryreceiver arranged below the separating-chamber and commu uicatingtherewith by means of openings, valves for controlling said openings, aslate chamber adjacent to the separatingand communicating therewiththrough au opening, and a gate for governing said opening, substantiallyas described.

6. A coal or ore washer comprising a separating-chamber, a slate-chamberadjacent thereto and comm unicatin g therewith, an auxiliary chamberarranged below the separating-chamber and communicating with theseparating-chamberand slate-chamber,valves for controlling the openingsbetween the separating-chamber and the auxiliary chamber, a gate forgoverning the outlet-opening from the auxiliary chamber, and a leverconnected to the gate, and valves for opening and closing the same,substantially as described.

7. A coal or ore Washer comprising a separating-chamber,a screen orsieve arrangedin said chamber, a piston working underneath the sieve orscreen, cams connected with the piston or plunger,a spring arrangedbeneath said piston or plunger, an auxiliary receiver secured below theseparating-chamber and connected therewith by means of openings, valvesfor controlling said openings, a gate governing an outlet from theauxiliary receiver, a lever connected to said valves and gate foropening and closing the same, aslatechamber adjacent to andcommunicating with the separating-chamber and auxiliary receiver, and agate for governing the opening between the separating chamber andslatechamber, substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

SEBASTIAN STUTZ.

Vitnesses:

DAVID H. MEAD, THos. S. HOPKINS.

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